openstack volume create --size <size_in_GB> <volume-name> openstack server add volume <server-name> <volume-name> fdisk /dev/vdb n w pvcreate /dev/vdb1 vgextend VolGroup00 /dev/vdb1 lvextend /dev/VolGroup00/root /dev/vdb1 resize2fs /dev/mapper/VolGroup00-root